openEuler 20.03 LTS SP1 update for xstream

1) Deserialization of Untrusted Data

EUVDB-ID: #VU54675

Risk: Medium

CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-29505

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: Yes

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote user can pass specially crafted XML data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

xstream-benchmark: before 1.4.17-1

xstream-parent: before 1.4.17-1

xstream-hibernate: before 1.4.17-1

xstream-javadoc: before 1.4.17-1

xstream: before 1.4.17-1

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:a:openeuler:xstream-benchmark:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:xstream-parent:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:xstream-hibernate:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:xstream-javadoc:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:xstream:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1208

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.